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(No Model.) 4 Sheets-Sheet 1.

A. JAMIESON.

PULVERIZER.

No. 382,364. Patent d May 8, 1888.

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(No Model.)

A. JAMIESO'N.

PULVERIZER. No. 382,364.

Paten'u-zd May 8, '1888'.

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4 Sheets-$heet 3.

(No Model.)

A. J AMIE S O N. PULVERI ZER.

No, 382,364. Patented May 8,1888.

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A. JAMI-ESON.

PULVERIZER.

No. 382,364. Patented May 8, 1888.

ATTEST. INVENTUFU 'UNiTEn TATES AUGUSTUS JAMIESON, OF ELIZABETH, NEW JERSEY, ASSIGNOR OF ONE- HALF TO WILLIAM At LOTTIMER, OF NEW YORK, N. Y.

PULVERIZER.

SPECIFICATION forming part of Letters Patent No. 382,364, dated May 8, 1888.

Application filed May 18, 1887. Serial No. 238,599. (No model.)

As the pulverizer includes improvements relating especially to its mechanical construction, it can best be described by reference to the accompanying drawings, in which-- Figure 1 is a full side view of the machine. Fig. 2 is a top view of Fig. 1. Fig. 3 isa longitudinal sectional view of Fig. 1, parts of the figure not being in section. Fig. 4 is a top View of the internalperforated cone. Fig. 5 is a sectional view of Fig. 4 at the line X. Fig. 6 is an end view of the right-hand end of Fig. 1. The term cone is employedto indi cate a tapering cylinder, or a cylinder whose radius gradually diminishes from one end of.

the cylinder to the other.

The machine consistsof the combination of a central shaft, 4, a fixed pulley, b, upon said shaft, an inner cone, 0, having four rows of holes, d, through its surface, the said cone being closed at the left-hand end and having openings between spokes e at the right-hand end, and being fixed upon said shaft, and the end that is closed being the smaller end of the cone, fixed bearingsf for said shaft, supports 9 for said bearings, a regulatingscrew, it, pressing upon the right-hand end of the shaft a, and supported by a nut, 2', carried by the supports an external cone, is, concentric with the internal cone, 0, having a funnel opening, Z, in the larger or right-hand end, and an exit-tube, m, in the left-hand or smaller end of the cone, the said cone being otherwise closed at both ends, except where the shaft to passes through it, supports 9 for the outer cone, braces a, connecting the supports 9 and 9 together, and the valve 0 for regulating the exit ofthe contents of the cones.

The modus operandi of the machine is as follows: Theinner cone,c,is rotated by communicating motion to the pulley b. While the cone is rotating the materials to be mixed and pul- V verized are allowed to flow into the funnel Z. The materials pass through the holes (1, and thereby come between the two surfaces of the cones, where the pulverizing takes place. It further passes intothe lefthand end of the cone k, where it passes out by the tube in.

Ifit is desired to make the machinecrush finer, the screw it is turned, so as to reduce the distance between the outer surface of the inner cone and the inner surface of the outer cone. By this means the degree of pulverization may be easily regulated.

It is evident that some of the materials'may go between the two cones by entering at the extreme right-hand end of the inner cone, Without passing through the openings at.

The machine may be employed not only for pulverizing and mixing fire-proof paints, but also for treating other paints and varnishes, and also for grinding fertilizers, gums, drugs, ores, and similar materials.

The holes (I have their axes perpendicular to the axis of the conical part or cone 0. The spaces between the outer ends -of the inner cone and the inner ends of the outer cone are respectively for the entrance and exit of the material to be operated upon.

I claim as my invention 1. A pulverizer, consisting of the combination of an inner perforated rotatable cone, open at one end and closed at the other, an outer concentric fixed cone having a receiving-opening in the upper part of its larger end and an exit-opening in the lower part of its smaller end, and means for regulating the distance between the outer surface of the in ner cone and the inner surface of the outer cone, the closed end of the inuercone being its smaller end, substantially as and.for the purpose described.

2. In a pulverizer, the combination ofa rotatable shaft, an inner cone fixed to said shaft containing openings, the saidcone being closed at its smaller end and open at its larger end, an outer cone loose upon and concentric with said shaft, ascrew pressing lengthwise upon said shaft, the said shaft being adjustable invention 1 have signed my name, in presence lengthwise, the said outer cone having a reof two witnesses, this 11th day of February, ceiving-opening in the upper portion of its 1887. larger end and an adjustable exit-opening in 5 the lower part of its smaller end, substan- Witnesses:

AUGUSTUS J AMIESON.

tially as and for the purpose described. EDWARD P. THOMPSON,

In testimony that I claim the foregoing as my JOHN P.- WRIGHT. 

